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CVE-2026-87902: WordPress Core Remote File Inclusion Vulnerability

WordPress Core · in CISA KEV since 2026-09-25

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2026-09-25added to KEV

2026-09-28federal remediation due date

19.76%EPSS exploit probability (30 days) 97.3th percentile

8.1 HIGHCVSS 3.1

Unknownknown ransomware use

3days from NVD publication to KEV

What it is

WordPress Core contains a remote file inclusion vulnerability which could allow an unauthenticated attacker to make page-template resolution include a chosen readable local `.php` file outside the active theme directories, leading to remote code execution.

Required action (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CWE	CWE-98
CVSS vector	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD published	2026-09-22 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-87902.json · all KEV CVEs

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